Quarterly report pursuant to Section 13 or 15(d)

8. Stock-Based Compensation (Details-Option activity)

v3.7.0.1
8. Stock-Based Compensation (Details-Option activity)
 3 Months Ended
Jun. 30, 2017
USD ($)
$ / shares
shares
Options  
Outstanding at beginning of period | shares 899,000
Granted | shares 483,000
Forfeited | shares (22,000)
Expired | shares (7,000)
Outstanding at end of period | shares 1,353,000
Exercisable at end of period | shares 723,000
Weighted Average Exercise Price  
Outstanding at beginning of period | $ / shares $ 17.87
Granted | $ / shares 6.93
Forfeited | $ / shares 6.68
Expired | $ / shares 234.45
Outstanding at end of period | $ / shares 12.99
Exercisable at end of period | $ / shares $ 18.57
Weighted Average Contractual Term  
Outstanding at end of period 8 years 1 month 13 days
Exercisable at end of period 6 years 10 months 28 days
Aggregate Intrinsic Value  
Outstanding at end of period | $ $ 525,000
Exercisable at end of period | $ $ 336,000